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    <title>Document</title>
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<body>
    <script>
      //  function fn(){
      //      //函数体
      //      alert('哈喽哈喽')
      //  }
      //  fn()
      function hi(){
        for(let i = 1; i <= 9; i++){
            for(let j = 1; j<= i ;j++){
            document.write(j + "×" + i + "=" + (j * i) + "\t" )
            }
            document.write(`<br>`)
        }
      }
      hi()
      hi()
      hi()
    </script>
</body>
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